Planetary nebula · Aquila
NGC 6751 Dandelion Puffball Nebula
Also known as: NGC 6748
mag 11.918″ across
About
NGC 6751, the Dandelion Puffball Nebula, is a planetary nebula of magnitude 11.9 in Aquila, about 18″ across.
How to find it
- NGC 6751 is in the constellation Aquila.
- Best evenings: around late August it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
- Where on Earth: it is seen well, at least 10° up, from south of 74° N.
When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.
What you will see
- EyesNot visible to the naked eye.
- Binoculars (10×50)Too faint for binoculars.
- Telescope (6–8 inch)Starlike at low power; high power shows a tiny blue-green disc.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 6751, NGC 6748, PN G029.2-05.9 |
|---|---|
| Type | Planetary nebula |
| Magnitude | 11.9The smaller the number, the brighter. |
| Apparent size | 18″the full Moon is 31′ across |
| Surface brightness | ≈ 17.9 mag/arcsec²Estimate from the magnitude and size, per square arcsecond. |
| Constellation | Aquila |
| Right ascension (J2000) | 19h 05m 55.6s |
| Declination (J2000) | −05° 59′ 32″ |
Sources and credits
Catalog data: OpenNGC by Mattia Verga, CC BY-SA 4.0, and d3-celestial by Olaf Frohn, BSD 3-Clause. All data sources →